Sleeve for the arm of a windscreen wiper



FIG. 1 is a perspective view of the top, front and one side of a sleeve for the arm of a wind screen wiper showing my new design;

FIG. 2 is an elevation view of the side opposite to that shown in FIG. 1; and

FIG. 3 is a rear elevation view thereof. 

The ornamental design for a sleeve for the arm of a windscreen wiper, as shown. 